Rohit Shakya

New Delhi · India · rohit.rkshakya@gmail.com

SDE-2 with 5 years of experience in backend development, designing and scaling resilient distributed systems serving millions of users across e-commerce, healthcare, and logistics platforms with proven business impact.

Technical Skills

  • Languages: Java (Advanced), Kotlin, PHP, C++, JavaScript, SQL
  • Frameworks & Libraries: Spring Boot, Spring Security, Hibernate, JPA, Laravel, Slim 4
  • Databases: PostgreSQL, MySQL, SQLite, MongoDB, Redis
  • DevOps & Cloud: Docker, Kubernetes, Git, GitHub, Jenkins, Maven, Gradle, AWS (EC2, S3, RDS, Lambda, IAM)
  • Software Architecture & Practices: Microservices, REST, CI/CD, Agile/Scrum, Design Patterns, SOLID Principles

Experience

OLX Indonesia – RoundCircle

Senior Software Engineer · Jan 2024 – Present
  • Led end-to-end backend development of a cross-service video platform across multiple services.
  • Re-architected Product Catalog Service to support multi-location listings, spotlight & video availability.
  • Optimized SQL queries reducing avg latency 900ms → 100ms, cutting P99 latency by 35%.
  • Refactored PHP services, improving fault isolation, uptime, and maintainability.
  • Integrated SonarQube & Datadog APM, reducing debug time by 40%.

Healthians

Software Development Engineer 2 · Apr 2023 – Nov 2023
  • Led backend for Phlebo App: real-time appointment scheduling, location tracking, patient sync.
  • Built Inventory & Logistics modules with barcode-based tracking, reducing sample loss by 90%.
  • Enhanced ERP/CRM backend dashboards, boosting sales efficiency by 15%.
  • Contributed to backend modernization with real-time analytics & recommendation pipelines.

ShopClues & Viva Online Learning Technologies

Software Engineer · Jan 2021 – Apr 2023
  • Designed Order Management System (OMS) handling 1M+ monthly orders using Kafka, DLQ.
  • Integrated logistics partners (BlueDart, Delhivery), reducing sync time by 50%.
  • Stabilized high-traffic e-commerce infra built on PHP & Apache, modernized workflows for scale.
  • At Viva, developed RESTful APIs (Spring Boot, Laravel) powering LMS for K–8 education.

Education

Department of Computer Science, University of Delhi

MSc Computer Science · Jul 2019 – May 2021

Ramanujan College, University of Delhi

BSc(H) Computer Science · Jun 2016 – May 2019

Projects

Click here to view source code.

System-Wide Impact

  • Improved catalog & listing performance at OLX by reducing P99 latency 35%.
  • Enhanced mobile API payloads by 30%, improving low-bandwidth performance.
  • Fixed memory leaks & N+1 queries, reducing infra costs by 25%.
  • Boosted engineering velocity with proactive monitoring (Grafana, Datadog), cutting MTTR by 40%.

Resume

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